28758870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:450

約数の個数: 96

約数和(自身を含む): 86261760

約数和(自身を除く): 57502890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 191, 210, 239, 315, 382, 478, 573, 630, 717, 955, 1146, 1195, 1337, 1434, 1673, 1719, 1910, 2151, 2390, 2674, 2865, 3346, 3438, 3585, 4011, 4302, 5019, 5730, 6685, 7170, 8022, 8365, 8595, 10038, 10755, 12033, 13370, 15057, 16730, 17190, 20055, 21510, 24066, 25095, 30114, 40110, 45649, 50190, 60165, 75285, 91298, 120330, 136947, 150570, 228245, 273894, 319543, 410841, 456490, 639086, 684735, 821682, 958629, 1369470, 1597715, 1917258, 2054205, 2875887, 3195430, 4108410, 4793145, 5751774, 9586290, 14379435, 28758870]

約数ペア:

[(1, 28758870), (2, 14379435), (3, 9586290), (5, 5751774), (6, 4793145), (7, 4108410), (9, 3195430), (10, 2875887), (14, 2054205), (15, 1917258), (18, 1597715), (21, 1369470), (30, 958629), (35, 821682), (42, 684735), (45, 639086), (63, 456490), (70, 410841), (90, 319543), (105, 273894), (126, 228245), (191, 150570), (210, 136947), (239, 120330), (315, 91298), (382, 75285), (478, 60165), (573, 50190), (630, 45649), (717, 40110), (955, 30114), (1146, 25095), (1195, 24066), (1337, 21510), (1434, 20055), (1673, 17190), (1719, 16730), (1910, 15057), (2151, 13370), (2390, 12033), (2674, 10755), (2865, 10038), (3346, 8595), (3438, 8365), (3585, 8022), (4011, 7170), (4302, 6685), (5019, 5730)]